18239+3824 HEI 803

 
 
18h 23m 55.32s +38 23' 49.6" P.A. 285 sep 3.3 mag 10.60,12.60
 
 
Coord 2000
18239+3824
Discov num
HEI 803
Comp
Coord arcsec 2000
18 23 55.32 +38 23 49.6
Date first
1987
Date last
2015
Obs
3
Pa first
284
Pa last
285
P.A. Now (θ)
285°
Sep first
2.9
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.60
Mag sec
12.60
delta mag (ΔM)
2
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.2
Precise sep
3.25
Constellation
Lyra
Tycho2
3104-01407-1
last precise pa
285.2
last precise sep
3.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239+3824 HEI 803 1987 1 284 2.9 10.60 12.60 182355.32+382349.6
18239+3824 HEI 803 2010 2 284 3.3 10.60 12.60 182355.32+382349.6
18239+3824 HEI 803 2015 3 285 3.3 10.60 12.60 182355.32+382349.6

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